Temperature
60 F at 3 AM; 65 F at its warmest, 5 AM Thursday, and 57 F at its coolest, 6 PM Thursday.
- Now
- 60F
- 3 AM
- Highest
- 65F
- 5 AM Thursday
- Lowest
- 57F
- 6 PM Thursday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Montgomery County Airpark, Maryland
Small airport in Montgomery County, MarylandMonitoring message only. Please disregard.
Monitoring message only. Please disregard.
58°
81°/57°
Overcast·
Feels like 58°·Light breeze 5 mph S
Alert. A Test Message is in force for Montgomery County Airpark until 4:15 AM today. Read the alert in full, and see what it means in the Field Book. Rain is likely this evening, from about 6 PM, the chance peaking at 62% around 7 PM.
Now. Montgomery County Airpark is 58° and overcast at 4 AM. The dew point is 59°, so the air feels a little humid. Light breeze from the south at 5 mph.
Today and tonight. It warms to about 80° by 2 PM. Tonight falls to about 47° by 8 AM, under cloud.
The week. The warmest day ahead is Tuesday, near 64°, and the coolest tomorrow, near 53°. Rain is possible tomorrow (41%). Frost is possible Sunday morning, a low of 35°.
The sky tonight. The sun sets at 6:29 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:25 PM. The next full Moon is Monday, Oct 26. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. Cloud is forecast to cover most of the night, so the sky will be hard to see. The day is 11 hours 11 minutes long, 2 minutes shorter than yesterday.
0UV Low
13Air quality
100%Humidity
100%Cloud
Now
4:00 AM
58feels58
now, overcast
Today
Oct 16
8157
88%
12mph
Sat
Oct 17
5347
41%
15mph
Sun
Oct 18
5635
clear day
Mon
Oct 19
5838
10%
Tue
Oct 20
6443
10%
Wed
Oct 21
6446
mostly clear day
Thu
Oct 22
6246
mostly clear day
58°
81°57°
53°47°
56°35°
58°38°
64°43°
64°46°
62°46°
As of 4:00 AM in Montgomery County Airpark, Maryland.
Air quality
The air at Montgomery County Airpark
Index 13, good, led by ozone. Read at 3 AM from its reporting area, Suburban DC (MD), 14 miles off.
13Good
- Fine particles (PM2.5)0Good-
- Ozone13Good-
The days ahead
Good each day through Sun Oct 18, led by fine particles. Yesterday measured 21, good.
GoodModerate
- 21YesterdayOct 15
- 39TodayOct 16
- 17SatOct 17
- 28SunOct 18
Smoke, the next 41 hours
Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.
Precipitation
What has fallen at Montgomery County Airpark
0.09 in in the last 24 hours, 0.11 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.09in
- Last 3 days
- 0.11in
3 days agoLast 24 hours 82%
Visibility
How far you can see at Montgomery County Airpark, the next 41 hours
Visibility stays 4 miles or more through Sat 8 PM, lowest 5 miles Fri 6 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- GAI
- ICAO
- KGAI
- IATA
- GAI
- Field elevation
- 539 ft
- Serves
- Gaithersburg
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- GAI
- Wind now
- From 160° at 6 mph, read 16 Oct, 03:56
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 14 / 32 | 4,202 ft | 75 ft | Asphalt | 127° / 307° | 5 mph head, on 14 | 3 mph from the right |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Gaithersburg (GAI), Montgomery County Airpark's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 60 F, the air 100% saturated; the humidity ran from 70% at 9 AM Thursday to 100% at 4 PM Thursday.
- Dew point now
- 60F
- 3 AM
- Humidity now
- 100%
- Humidity, range
- 70 to 100%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
6 mph from the south southeast at 3 AM; at its strongest 6 mph, 3 AM, and no gust reported.
- Now
- 6mph
- from the south southeast
- Strongest
- 6mph
- 3 AM
- Highest gust
- -
- none reported
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.02 inHg at 3 AM, falling 0.07 inHg over 3 hours; 0.11 inHg lower than a day before.
- Now
- 30.02inHg
- 3 AM
- 3 hours
- -0.07inHg
- falling
- 24 hours
- -0.11inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 2 miles at 3 AM; 2 miles now.
- Now
- 2mi
- Lowest
- 2mi
- 3 AM
- Hours under a mile
- 0
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 200 ft at 3 AM; a base was reported in 23 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 200ft
- 3 AM
- Hours with a base reported
- 23
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
0.14 in measured in the gauge, the most, 0.07 in, in the hour to 5 PM Thursday.
- Last 24 hours
- 0.14in
- Wettest hour
- 0.07in
- 5 PM Thursday
- Hours with some
- 12
How it is measured: ASOS, Field Book FB-INS-002
Gaithersburg: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 6 instruments nearest Montgomery County Airpark, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.
measured now4 instruments
GaithersburgGAI
At an airfield/0.0 mi away/539 ft/level with here
temp, wind, gust, visibility, precip, pressure
I-270 @ I-370MD001
Beside a road/3.7 mi away/450 ft/89 ft below here
temp, pavement temp, wind, visibility, precip
Powder MillS2049
At a soil climate station/19.9 mi away/105 ft/434 ft below here
temp, humidity, soil temp, soil moisture
Pheasant Run - Patuxent Env RAWSPREM2
A remote fire weather station/19.9 mi away/215 ft/324 ft below here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Gaithersburg 3.1 NEMD-MG-63
In a volunteer observer's own ground/1.1 mi away/449 ft/90 ft below here
precip, snowfall, snow depth
Damascus 3 SSWDMAM2
At a cooperative observer's station/7.6 mi away/676 ft/137 ft above here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Maryland
21 places, each with its own forecast and its own instruments.
AnnapoliscityAssateague IslandfeatureBaltimorecityBowiecityCambridgecityCatoctin MountainfeatureChesapeake BayfeatureCumberlandcityDeep Creek LakefeatureEastontownElktontownFrederickcityGaithersburgcityGarrett CountyfeatureHagerstowncityOaklandtownOcean CitytownRockvillecitySalisburycityWestminstercityWispski area
Near Montgomery County Airpark
The nearest places, each with its own forecast and the instruments nearest it.
- Flower Hillcommunity, 1 mi
- Redlandcommunity, 2 mi
- Montgomery Villagecommunity, 2 mi
- Washington Grovetown, 2 mi
- Gaithersburgcity, 2 mi
- Laytonsvilletown, 3 mi
- Derwoodcommunity, 4 mi
- Olneycommunity, 5 mi
- Germantowncommunity, 5 mi
- Brookevilletown, 6 mi
- Rockvillecity, 6 mi
- North Potomaccommunity, 6 mi
Airports near Montgomery County Airpark
- College Park AirportCGS, 18 mi
- Frederick Municipal AirportFDK, 21 mi
- Fort Meade Executive AirportFME, 23 mi
- Baltimore/Washington International Thurgood Marshall AirportBWI, 27 mi
- Joint Base AndrewsADW, 29 mi
- Carroll County Regional Jack B Poage FieldDMW, 32 mi
- Martin State AirportMTN, 42 mi
- Bay Bridge AirportW29, 47 mi